public class Chef           //厨师类
{
    private Order order;
    //获得菜单
    public void GetOrder(Order order)
    {
//gfgjgh
    }
    //厨师做菜
    public void Cook()
    {

    }
    //提醒饭菜制作完毕
    public void SendAlert(Waitress waitress)
    {

    }
}

